ADuCM361BCPZ128-R7 datasheet(4/24 Pages) AD

部件名	ADuCM361BCPZ128-R7

功能描述	Low Power, Precision Analog Microcontroller with Dual Sigma-Delta ADCs, ARM Cortex-M3

PDF	24 Pages

Scroll/Zoom	100%

制造商	AD [Analog Devices]

网页	http://www.analog.com

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4 / 24 page

ADuCM360/ADuCM361

Data Sheet

Rev. B | Page 4 of 24

FUNCTIONAL BLOCK DIAGRAMS

Σ-∆

MODULATOR

24-BIT

Σ-∆ ADC

VREF

AIN0

DAC, TEMP,

IOVDD/4,

AVDD/4

SINC3/4

FILTER

12-BIT

DAC

SINC2

FILTER

ON-CHIP

1.8V ANALOG

LDO

ON-CHIP

1.8V DIGITAL

LDO

POWER-ON

RESET

ON-CHIP

OSCILLATOR

(1% TYP)

16MHz

GPIO PORTS

UART PORTS

2 × SPI PORTS

I2C PORTS

19 GENERAL-

PURPOSE

I/O PORTS

MEMORY

128kB FLASH

8kB SRAM

DMA AND

INTERRUPT

CONTROLLER

TIMER0

TIMER1

WATCHDOG

WAKE-UP TIMER

PWM

SERIAL WIRE

DEBUG,

PROGRAMMING

AND DEBUG

ARM

CORTEX-M3

PROCESSOR

16MHz

VBIAS

GENERATOR

PRECISION

REFERENCE

ADuCM360

BUFFER

SELECTABLE

VREF

SOURCES

CURRENT

SOURCES

AIN1

AIN2

DAC

RESET

XTALO

XTALI

SWDIO

SWCLK

DVDD_REG

AVDD_REG

AVDD

AGND

AIN3

AIN4/IEXC

AIN5/IEXC

AIN6/IEXC

AIN7/VBIAS0/IEXC/

EXTREF2IN+

AIN8/EXTREF2IN–

AIN9/DACBUFF+

AIN10

AIN11/VBIAS1

IREF

GND_SW

VREF–

INT_REF

IOVDD

VREF+

AMP

MOD2

GAIN

Σ-∆

MODULATOR

24-BIT

Σ-∆ ADC

VREF

SINC3/4

FILTER

AMP

MOD2

GAIN

BUF

MUX

Figure 1. ADuCM360 Functional Block Diagram

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